Results 311 to 320 of about 62,317 (341)
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Mechanical characterization of bovine periodontal ligament
Journal of Periodontal Research, 2002This study is part of a research program that aims to develop a constitutive three‐dimensional model of the periodontal ligament (PDL) through the identification of pertinent material parameters. As part of this program, bovine PDL was utilized to establish stress‐strain responses under tensile and compressive loading conditions.
M, Pini +4 more
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Elastic modulus of the periodontal ligament
Biomaterials, 1997This study used a two-dimensional finite element mesh of a lower first premolar to model two different tooth loading systems which measured either the vertical or the horizontal displacements of this particular tooth. The elastic modulus of the periodontal ligament was varied in the finite element model until the horizontal and vertical displacements ...
J S, Rees, P H, Jacobsen
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PERIODONTAL LIGAMENT ENJEKSİYONU-PERIODONTAL LIGAMENT INJECTION
2013Anahtar Sözcük : Periodontal Ligament Enjeksiyonu.Bu makalede, son yıllarda kulanımı önerilen ve üzerinde birçok çalışmalar yapılan "Periodontal Ligament Enjeksiyonu" hakkında bilgi verilmiştir. Kullanılmaya başlandığı zamandan günümüze gelene dek ilgili araştırmalar taranmış ve bu araştırmaların sonuçları detaylı olarak sunulmuştur." ...
KÜÇÜKAY, Sedat, BAYIRLI, Gündüz
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Pericytes in the Periodontal Ligament
2019Teeth are exposed to hundreds of oral bacteria and also challenged by the mastication forces; because teeth are situated in oral cavity, the entrance of the digestive tract, and penetrates through the oral epithelium. The periodontal ligament is a noncalcified tissue that possesses abundant blood vessels, which exist between tooth root and alveolar ...
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Periodontal Ligament Injection: A Clinical Evaluation
The Journal of the American Dental Association, 1981Attaining profound local anesthesia is frequently difficult. Standard block or infiltration injections often are not sufficient; a supplementary injection is often necessary. The purpose of this study was to examine the effectiveness of the periodontal ligament injection in patients who did not have adequate pulpal anesthesia.
R E, Walton, B J, Abbott
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Monoclonal Antibodies to Periodontal Ligament Cells
Journal of Periodontology, 1991Ten mouse monoclonal antibodies were prepared against cultured bovine periodontal ligament cells to be used as reagents for the study of periodontal disease and wound healing. Using standard immunohistochemical methods, these antibodies were found to recognize cell surface antigens in formalin‐fixed bovine periodontium.
W T, DuBois +7 more
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Canadian Journal of Biochemistry and Cell Biology, 1984
Periodontal ligament, a soft connective tissue that lies between cementum and alveolar bone in the periodontium, has been shown to contain an osteonectinlike protein. The similarity between porcine ligament osteonectin and bovine bone osteonectin was evident from immunochemical studies, from migration characteristics on sodium dodecyl sulfate ...
S, Wasi +6 more
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Periodontal ligament, a soft connective tissue that lies between cementum and alveolar bone in the periodontium, has been shown to contain an osteonectinlike protein. The similarity between porcine ligament osteonectin and bovine bone osteonectin was evident from immunochemical studies, from migration characteristics on sodium dodecyl sulfate ...
S, Wasi +6 more
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Periodontal Ligament: Structural and Clinical Correlates
Dental Update, 2004This paper reviews certain structural aspects of the periodontal ligament. These include collagen (type, crimping and fibril diameters), ground substance (functions), cells (fibroblast morphology, cell heterogenicity and distinguishing of cell phenotypes, cell kinetics, ‘foetal’ characteristics), nerves (presence of neuropeptides) and blood vessels ...
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Tensile behaviour of the periodontal ligament
Journal of Periodontal Research, 1982Transverse sections of human periodontal ligament were subjected to tensile loads. Extension‐time, load‐time, and load‐extension curves were obtained. The average value for the ultimate tensile strength of the ligament was found to be 2.4 N/mm2. Loading of the ligament for either extrusion or intrusion did not appear to change its behaviour.
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Collagenase in the Human Periodontal Ligament
Journal of Periodontology, 1980Collagenase activity was demonstrated by direct incubation to be present in human periodontal ligament. This activity was found in only one of two populations of ligament, i.e., those ligaments taken from teeth in which their attachment site was at least 2.5 mm apical to the cementoenamel junction.
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